Modular display stand



FIG. 1 is a front perspective view of a modular display stand embodying the new and ornamental design;

FIG. 2 is a rear perspective view thereof on an enlarged scale;

FIG. 3 is a bottom plan view of FIG. 2;

FIG. 4 is a left side elevation view of FIG. 2;

FIG. 5 is a front elevation view of FIG. 2;

FIG. 6 is a rear elevation view of FIG. 2;

FIG. 7 is a right side elevation view of FIG. 2; and,

FIG. 8 is a top plan view of FIG. 2. 

The ornamental design for a modular display stand, as shown and described. 